// OpenSTA, Static Timing Analyzer
// Copyright (c) 2020, Parallax Software, Inc.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include "PinPair.hh"

namespace sta {

bool
PinPairLess::operator()(const PinPair *pair1,
			const PinPair *pair2) const
{
  return pair1->first < pair2->first
    || (pair1->first == pair2->first
	&& pair1->second < pair2->second);
}

bool
PinPairEqual::operator()(const PinPair *pair1,
			 const PinPair *pair2) const
{
  return pair1->first == pair2->first
    && pair1->second == pair2->second;
}

size_t
PinPairHash::operator()(const PinPair *pair) const
{
  size_t hash = hash_init_value;
  hashIncr(hash, hashPtr(pair->first));
  hashIncr(hash, hashPtr(pair->second));
  return hash;
}

} // namespace
